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470673 (2008 SM209)
Classification: Main-belt Asteroid          SPK-ID: 2470673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06583791554746252 3.4199e-07  
a 2.563056030036434 3.7118e-08 au
q 2.394309763587481 8.554e-07 au
i 14.55509632073623 9.6465e-06 deg
node 6.011018493088416 2.0795e-05 deg
peri 176.2178997396491 5.1143e-05 deg
M 174.1745496596443 6.4756e-05 deg
tp 2458475.366828128218
(2018-Dec-22.86682813)
0.0002616 TDB
period 1498.772021423091
4.10
3.2558e-05
8.914e-08
d
yr
n .2401966375501048 5.2177e-09 deg/d
Q 2.731802296485387 3.9562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5878 days (16.09 yr)  
   first obs. used      2004-10-05  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48463  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:11:10  

Additional Information
 Earth MOID = 1.396 au 
 Jupiter MOID = 2.22511 au 
 T_jup = 3.386 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.13   n/a E2021B25  

470673 (2008 SM209)          Discovered 2008-Sep-28 by Astronomical Research Observatory at Charleston
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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